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Reuters Geoffrey Mutai is silhouetted as he runs inbound on Commonwealth Avenue during the inaugural Boston Athletic Association 10K in Boston - Photo

Geoffrey Mutai is silhouetted as he runs inbound on Commonwealth Avenue during the inaugural Boston Athletic Association 10K in Boston

Sunday June 26, 03:17 PM
Geoffrey Mutai (L) is silhouetted as he runs inbound on Commonwealth Avenue during the inaugural Boston Athletic Association 10K in Boston, Massachusetts June 26, 2011. REUTERS/Dominick Reuter (UNITED STATES - Tags: SPORT ATHLETICS IMAGES OF THE DAY)